Digestive system- they have a complete digestive system, with an anus as a mouth Nervous system- Body plan- tnedhhhhhhhhhhdhsuyjmyr xmcgryjm vybrjmyrvjm Picture- Positive impact on humans Negative impact on humans 1 interesting fact echinoderm means "spiny skin"
Digestive system- they have a complete digestive system, with an anus as a mouth
Nervous system-
Body plan- tnedhhhhhhhhhhdhsuyjmyr xmcgryjm vybrjmyrvjm
Picture-
Positive impact on humans
Negative impact on humans
1 interesting fact echinoderm means "spiny skin"